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authorSylvain Munaut <tnt@246tNt.com>2013-03-08 17:47:39 +0100
committerSylvain Munaut <tnt@246tNt.com>2013-03-08 17:47:39 +0100
commit2e8cef8f61fdec3aa374ff167c95ebe8058ef04b (patch)
treee6073a863add1e0c3e9934f7bd4fa230407f7ad9
parentc0fd99fcd28e3b10a4180fb6afce682821869574 (diff)
iqbal: Reduce gradient step
1e-3 is withing the range of value we're looking for, so we need something smaller. Signed-off-by: Sylvain Munaut <tnt@246tNt.com>
-rw-r--r--src/iqbal.c2
1 files changed, 1 insertions, 1 deletions
diff --git a/src/iqbal.c b/src/iqbal.c
index ddbd4a7..f4c29c6 100644
--- a/src/iqbal.c
+++ b/src/iqbal.c
@@ -249,7 +249,7 @@ _iqbal_objfn_value(struct _iqbal_state *state, float x[2])
static void
_iqbal_objfn_gradient(struct _iqbal_state *state, float x[2], float v, float grad[2])
{
- const float GRAD_STEP = 0.001f;
+ const float GRAD_STEP = 1e-6f;
float xd[2], vd[2];
xd[0] = x[0] + GRAD_STEP; xd[1] = x[1];